According to discussions on Reddit's DataHoarder and Sonarr forums :

: Standard rips (labeled just "BluRay" or "BRRip") are typically re-encoded to save space, resulting in a loss of detail compared to a REMUX.

: The DTS tag indicates it includes the original theater-quality audio track. Enthusiasts on platforms like Reddit's Stremio community note that the primary advantage of a REMUX over smaller compressed "encodes" is the retention of these full-bitrate audio tracks.